Historical Climate Data

Temperature Summary
Station: 470349 ASHLAND EXP FARM, WI
1971-2000 NCDC Normals

Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANN
Max °F	19.9	27.1	36.8	50.2	64.8	73.9	79.3	77.1	67.8	56.2	38.2	24.8	51.3
Min °F	-0.4	4.8	17.0	28.6	39.3	49.0	55.1	53.7	45.1	34.2	22.2	7.3	29.7
Mean °F	9.8	16.0	26.9	39.4	52.1	61.5	67.2	65.4	56.5	45.2	30.2	16.1	40.5
HDD base 65	1715	1374	1182	768	412	138	48	71	267	614	1044	1517	9150
CDD base 65	0	0	0	0	10	31	116	83	10	0	0	0	250

Temperature Extremes
Period of Record: 1905-2001

Month	High Mean°F	Year	Low Mean°F	Year	1-Day Max°F	Date	1-Day Min°F	Date
JAN	25.2	1944	-3.8	1912	58	01-23-1909	-41	01-17-1982
FEB	30.9	1998	2.1	1936	62	02-22-1930	-40	02-01-1938
MAR	39.9	1910	16.8	1923	84	03-28-1946	-30	03-01-1962
APR	49.6	1915	32.0	1920	91	04-24-1921	-5	04-04-1920
MAY	58.5	1977	42.6	1907	96	05-30-1939	0	05-31-1999
JUN	66.8	1988	52.7	1917	99	06-29-1910	23	06-04-1945
JUL	72.8	1921	61.4	1915	107	07-23-1934	32	07-25-1915
AUG	70.0	1947	57.9	1950	103	08-24-1948	29	08-30-1917
SEP	66.6	1908	50.3	1918	100	09-07-1976	21	09-26-1947
OCT	55.4	1963	36.2	1917	90	10-04-1922	0	10-30-1999
NOV	38.9	1913	22.9	1959	74	11-01-1933	-16	11-28-1976
DEC	29.5	1931	5.0	1983	60	12-19-1923	-32	12-25-1933

Annual	45.9	1987	36.2	1917	107	07-23-1934	-41	01-17-1982
Winter	26.3	1998	6.3	1979	62	02-22-1930	-41	01-17-1982
Spring	45.0	1910	32.8	1950	96	05-30-1939	-30	03-01-1962
Summer	69.2	1988	58.3	1915	107	07-23-1934	23	06-04-1945
Fall	50.6	1931	40.5	1951	100	09-07-1976	-16	11-28-1976

Temperature Threshold Climatology
Derived from 1971-2000 Averages

*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding.

Month	# Days Max ≥ 90°F	# Days Max ≤ 32°F	# Days Min ≤ 32°F	# Days Min ≤ 0°F
JAN	0.0	25.0	31.0	15.1
FEB	0.0	17.2	27.7	10.6
MAR	0.0	8.8	28.7	4.1
APR	0.0	1.0	20.5	0.1
MAY	0.3	0.0	8.0	0.0
JUN	1.0	0.0	0.6	0.0
JUL	2.7	0.0	0.0	0.0
AUG	1.9	0.0	0.0	0.0
SEP	0.3	0.0	2.4	0.0
OCT	0.0	0.1	13.5	0.1
NOV	0.0	7.8	25.5	1.0
DEC	0.0	20.6	30.5	9.2

Annual	6.3	81.1	188.9	40.4
Winter	0.0	62.7	89.1	34.8
Spring	0.3	10.0	57.5	4.3
Summer	5.7	0.0	0.6	0.0
Fall	0.3	7.9	41.7	1.1